Body color: Bluish-black w/ darker mottling on back, paler color on sides, and grayish ventrally; fins dark. (Also see above underwater photo.)
Peritoneum color: light or dark Shape between eyes: convex
Counts: D:XIII,15-17, Ar:8-10, P1:17-19, GR:32-38, LLp:47-53, LLs:50-56, V:26-27
Occurence: Gulf of Alaska - Baja California
Depth: 549 meters Size: 53 cm Species code: 30360
Similar species: Black RF - anal-fin margin rounded w/ slight anterior slant; mouth larger, maxilla extends beyond midorbit; eye larger; head spine count differs; anal rays typically 7-8 (typically 9 in Blue RF); dorsal rays typically 15 (typically 16 in Blue RF). Dusky RF - body gray or greenish brown in Light Dusky RF,uniform dark blue in Dark Dusky RF; head spines typically absent; mouth larger, maxilla extends beyond midorbit; eye larger; anal rays typically 7-8 (typically 9 in Blue RF); dorsal rays typically 15 (typically 16 in Blue RF). Yellowtail RF and Olive RF - body dark olive; mouth larger, maxilla extends beyond midorbit; eye larger; head spine count differs. Widow RF - anal-fin margin w/ strong posterior slant; head spine count typically differs; body dusky brown.